Matching (9) Match items in column A to column B

Column a Column b
1.
A.
Convection
2.
B.
Crust
3.
C.
Lithosphere
4.
D.
Asthenosphere
5.
E.
Dense
6.
F.
Outer Core
7.
G.
Inner Core
8.
H.
Mantle
9.
I.
Core